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-rw-r--r--plugins/sudoers/auth/securid5.c234
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diff --git a/plugins/sudoers/auth/securid5.c b/plugins/sudoers/auth/securid5.c
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+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1999-2005, 2007, 2010-2012, 2014-2016
+ * Todd C. Miller <Todd.Miller@sudo.ws>
+ * Copyright (c) 2002 Michael Stroucken <michael@stroucken.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#ifdef HAVE_SECURID
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+
+/* Needed for SecurID v5.0 Authentication on UNIX */
+#define UNIX 1
+#include <acexport.h>
+#include <sdacmvls.h>
+
+#include "sudoers.h"
+#include "sudo_auth.h"
+
+/*
+ * securid_init - Initialises communications with ACE server
+ * Arguments in:
+ * pw - UNUSED
+ * auth - sudo authentication structure
+ *
+ * Results out:
+ * auth - auth->data contains pointer to new SecurID handle
+ * return code - Fatal if initialization unsuccessful, otherwise
+ * success.
+ */
+int
+sudo_securid_init(struct passwd *pw, sudo_auth *auth)
+{
+ static SDI_HANDLE sd_dat; /* SecurID handle */
+ debug_decl(sudo_securid_init, SUDOERS_DEBUG_AUTH);
+
+ /* Only initialize once. */
+ if (auth->data != NULL)
+ debug_return_int(AUTH_SUCCESS);
+
+ if (IS_NONINTERACTIVE(auth))
+ debug_return_int(AUTH_NONINTERACTIVE);
+
+ /* Start communications */
+ if (AceInitialize() == SD_FALSE) {
+ sudo_warnx("%s", U_("failed to initialise the ACE API library"));
+ debug_return_int(AUTH_FATAL);
+ }
+
+ auth->data = (void *) &sd_dat; /* For method-specific data */
+
+ debug_return_int(AUTH_SUCCESS);
+}
+
+/*
+ * securid_setup - Initialises a SecurID transaction and locks out other
+ * ACE servers
+ *
+ * Arguments in:
+ * pw - struct passwd for username
+ * promptp - UNUSED
+ * auth - sudo authentication structure for SecurID handle
+ *
+ * Results out:
+ * return code - Success if transaction started correctly, fatal
+ * otherwise
+ */
+int
+sudo_securid_setup(struct passwd *pw, char **promptp, sudo_auth *auth)
+{
+ SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+ int retval;
+ debug_decl(sudo_securid_setup, SUDOERS_DEBUG_AUTH);
+
+ /* Re-initialize SecurID every time. */
+ if (SD_Init(sd) != ACM_OK) {
+ sudo_warnx("%s", U_("unable to contact the SecurID server"));
+ debug_return_int(AUTH_FATAL);
+ }
+
+ /* Lock new PIN code */
+ retval = SD_Lock(*sd, pw->pw_name);
+
+ switch (retval) {
+ case ACM_OK:
+ sudo_warnx("%s", U_("User ID locked for SecurID Authentication"));
+ debug_return_int(AUTH_SUCCESS);
+
+ case ACE_UNDEFINED_USERNAME:
+ sudo_warnx("%s", U_("invalid username length for SecurID"));
+ debug_return_int(AUTH_FATAL);
+
+ case ACE_ERR_INVALID_HANDLE:
+ sudo_warnx("%s", U_("invalid Authentication Handle for SecurID"));
+ debug_return_int(AUTH_FATAL);
+
+ case ACM_ACCESS_DENIED:
+ sudo_warnx("%s", U_("SecurID communication failed"));
+ debug_return_int(AUTH_FATAL);
+
+ default:
+ sudo_warnx("%s", U_("unknown SecurID error"));
+ debug_return_int(AUTH_FATAL);
+ }
+}
+
+/*
+ * securid_verify - Authenticates user and handles ACE responses
+ *
+ * Arguments in:
+ * pw - struct passwd for username
+ * prompt - UNUSED
+ * auth - sudo authentication structure for SecurID handle
+ *
+ * Results out:
+ * return code - Success on successful authentication, failure on
+ * incorrect authentication, fatal on errors
+ */
+int
+sudo_securid_verify(struct passwd *pw, const char *promp, sudo_auth *auth, struct sudo_conv_callback *callback)
+{
+ SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+ char *pass;
+ int ret;
+ debug_decl(sudo_securid_verify, SUDOERS_DEBUG_AUTH);
+
+ pass = auth_getpass("Enter your PASSCODE: ", SUDO_CONV_PROMPT_ECHO_OFF,
+ callback);
+
+ /* Have ACE verify password */
+ switch (SD_Check(*sd, pass, pw->pw_name)) {
+ case ACM_OK:
+ ret = AUTH_SUCESS;
+ break;
+
+ case ACE_UNDEFINED_PASSCODE:
+ sudo_warnx("%s", U_("invalid passcode length for SecurID"));
+ ret = AUTH_FATAL;
+ break;
+
+ case ACE_UNDEFINED_USERNAME:
+ sudo_warnx("%s", U_("invalid username length for SecurID"));
+ ret = AUTH_FATAL;
+ break;
+
+ case ACE_ERR_INVALID_HANDLE:
+ sudo_warnx("%s", U_("invalid Authentication Handle for SecurID"));
+ ret = AUTH_FATAL;
+ break;
+
+ case ACM_ACCESS_DENIED:
+ ret = AUTH_FAILURE;
+ break;
+
+ case ACM_NEXT_CODE_REQUIRED:
+ /* Sometimes (when current token close to expire?)
+ ACE challenges for the next token displayed
+ (entered without the PIN) */
+ if (pass != NULL)
+ freezero(pass, strlen(pass));
+ pass = auth_getpass("\
+!!! ATTENTION !!!\n\
+Wait for the token code to change, \n\
+then enter the new token code.\n", \
+ SUDO_CONV_PROMPT_ECHO_OFF, callback);
+
+ if (SD_Next(*sd, pass) == ACM_OK) {
+ ret = AUTH_SUCCESS;
+ break;
+ }
+
+ ret = AUTH_FAILURE;
+ break;
+
+ case ACM_NEW_PIN_REQUIRED:
+ /*
+ * This user's SecurID has not been activated yet,
+ * or the pin has been reset
+ */
+ /* XXX - Is setting up a new PIN within sudo's scope? */
+ SD_Pin(*sd, "");
+ sudo_printf(SUDO_CONV_ERROR_MSG|SUDO_CONV_PREFER_TTY,
+ "Your SecurID access has not yet been set up.\n");
+ sudo_printf(SUDO_CONV_ERROR_MSG|SUDO_CONV_PREFER_TTY,
+ "Please set up a PIN before you try to authenticate.\n");
+ ret = AUTH_FATAL;
+ break;
+
+ default:
+ sudo_warnx("%s", U_("unknown SecurID error"));
+ ret = AUTH_FATAL;
+ break;
+ }
+
+ /* Free resources */
+ SD_Close(*sd);
+
+ if (pass != NULL)
+ freezero(pass, strlen(pass));
+
+ /* Return stored state to calling process */
+ debug_return_int(ret);
+}
+
+#endif /* HAVE_SECURID */